Porter, Malcolm; Lye, Keith (2008). Asia. Cherrytree Books. p. 14. ISBN978-1-84234-461-3. Archived from the original on 12 January 2022. Retrieved 11 October 2021.
"The Balkans"Archived 10 December 2017 at the Wayback Machine, Global Perspectives: A Remote Sensing and World Issues Site. Wheeling Jesuit University/Center for Educational Technologies, 1999–2002.
Boris B. Gorshkov, "Serfdom: Eastern Europe" in Peter Stearns, ed., Encyclopedia of European Social History (2001) 2:379-88; OnlineArchived 2024-03-30 at the Wayback Machine.
Simic, Predrag (2001). "Do the Balkans Exist? Visions of the Future of Southeastern Europe: Perspectives from the Region". Medzinárodné otázky. 10 (1). Research Center of the Slovak Foreign Policy Association: 19–39. JSTOR44963345.
Jordan, Peter (2005). "Großgliederung Europas nach kulturräumlichen Kriterien" [The large-scale division of Europe according to cultural-spatial criteria]. Europa Regional. 13 (4). Leipzig: Leibniz-Institut für Länderkunde (IfL): 162–173. Archived from the original on 27 December 2023. Retrieved 21 January 2019 – via Ständiger Ausschuss für geographische Namen (StAGN).
Jeronim Perović, "The Tito-Stalin split: a reassessment in light of new evidence." Journal of Cold War Studies 9.2 (2007): 32-63 onlineArchived 2022-07-04 at the Wayback Machine.
"The Balkans"Archived 10 December 2017 at the Wayback Machine, Global Perspectives: A Remote Sensing and World Issues Site. Wheeling Jesuit University/Center for Educational Technologies, 1999–2002.
Jordan, Peter (2005). "Großgliederung Europas nach kulturräumlichen Kriterien" [The large-scale division of Europe according to cultural-spatial criteria]. Europa Regional. 13 (4). Leipzig: Leibniz-Institut für Länderkunde (IfL): 162–173. Archived from the original on 27 December 2023. Retrieved 21 January 2019 – via Ständiger Ausschuss für geographische Namen (StAGN).
Porter, Malcolm; Lye, Keith (2008). Asia. Cherrytree Books. p. 14. ISBN978-1-84234-461-3. Archived from the original on 12 January 2022. Retrieved 11 October 2021.
Boris B. Gorshkov, "Serfdom: Eastern Europe" in Peter Stearns, ed., Encyclopedia of European Social History (2001) 2:379-88; OnlineArchived 2024-03-30 at the Wayback Machine.
Jeronim Perović, "The Tito-Stalin split: a reassessment in light of new evidence." Journal of Cold War Studies 9.2 (2007): 32-63 onlineArchived 2022-07-04 at the Wayback Machine.